$OpenBSD: patch-v8_src_wasm_wasm-result_h,v 1.1 2017/04/19 05:16:47 robert Exp $
--- v8/src/wasm/wasm-result.h.orig.port	Fri Mar 10 18:12:58 2017
+++ v8/src/wasm/wasm-result.h	Fri Mar 10 18:14:54 2017
@@ -5,6 +5,7 @@
 #ifndef V8_WASM_RESULT_H_
 #define V8_WASM_RESULT_H_
 
+#include <cstdarg>
 #include <memory>
 
 #include "src/base/compiler-specific.h"
